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We need to consult with our team for the internal structure of the ΔΣ-modulator in the PCM1803A. We will get back to you as soon as we get any information.
-Diego Meléndez López Audio Applications Engineer
In reply to Diego Meléndez:
We have some updates, unfortunately we have limited data on the PCM1803A, so we were not able to track down the details on the modulator. We have found that the PCM1803A is an improved version of the PCM1802, so the performance of the PCM1803A will be better.
In reply to Christophe Courte:
The modulator of the PCM1803A was developed to improve overall performance (including idle tones) of the PCM1802. We don't have the exact ΔΣ-modulator order information, but we can guarantee that the performance of the PCM1803A will be better than the PCM1802.
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